Question

24

Ubuntu bash functions..syntax error: "(" or "}" unexpected

rated 0 times [ 24] [ 0] / answers: 1 / hits: 53694 / 3 Years ago, mon, august 9, 2021, 4:17:11

Trying to run some bash functions , but keep encountering syntax error: "(" unexpected.
I've try'ed removing the brackets,parenthesis etc etc...nothing seems to work.

$ bash --version

GNU bash, version 4.3.46(1) release

#!/bin/bash

function hello () {

echo "Hello world"

}

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breadoules

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4 Years ago

answered 3 Years ago oneeme · Accepted Answer

If you are running the script with sh hello.sh, the interpreting shell will not be the one mentioned in the shebang line, but /bin/sh will be used. In case of Debian and Ubuntu by default this will be dash.

So to run your script correctly with a bash, use either of the following.

/bin/bash hello.sh

or

chmod +x hello.sh

./hello.sh

Alternatively you also could set bash as the /bin/sh.

dpkg-reconfigure dash